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ALX-380-112 Revised 03-Apr-08
Chrysomycin A
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SYNONYMS Chrysomycin V
Virenomycin V
PRODUCT LINE Natural Products / Antibiotics
PRODUCT CATEGORY Antibiotics - Topoisomerase Inhibitors
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Product Numbers: Format: Size: Unit Price: Quantity: Add To Cart
ALX-380-112-M001   1 mg 420.00 USD Add To Cart
ALX-380-112-C250   250 µg 140.00 USD Add To Cart
Product Specification
FORMULA: C28H28O9
MW: 508.5
CAS NUMBER: 82196-88-1
SOURCE/HOST: Isolated from Streptomyces sp.
PURITY: ≥98% (HPLC)
APPEARANCE: Yellow to greenish solid.
SOLUBILITY: Soluble in DMSO or dimethyl formamide; slightly soluble in 100% ethanol or methanol.
SHIPPING: SHIPPED ON BLUE ICE
LONG TERM STORAGE: -20°C
USE/STABILITY: Stock solutions are stable for at least 3 months when stored at -20°C.
HANDLING: Protect from light also when in solution.

Product Description
Antibiotic. Inhibits topoisomerase II in human. Mediates a unique cross-linking reaction between DNA and histidine H3. Antineoplastic and photosensitizing compound. Exhibits antitumor activity against human cell lines.
Product Specific Literature References
Chrysomycin: a new antibiotic substance for bacterial viruses: F. Strelitz, et al.; J. Bacteriol. 69, 280 (1955) Abstract
The chemistry of the antibiotics chrysomycin A and B. Antitumor activity of chrysomycin A: U. Weiss, et al.; J. Antibiot. (Tokyo) 35, 1194 (1982) Abstract
Biochemical characterisation of elsamicin and other coumarin-related antitumour agents as potent inhibitors of human topoisomerase II: A. Lorico and B.H. Long; Eur. J. Cancer 29A, 1985 (1993) Abstract
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Further Categories Containing This Product:
Antitumor Agents (DNA Interaction & Gene Regulation) • Antitumor Antibiotics
 
 
ALX-380-114 Revised 03-Apr-08
Chrysomycin B
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SYNONYMS Chrysomycin M
Virenomycin M
PRODUCT LINE Natural Products / Antibiotics
PRODUCT CATEGORY Antibiotics - Topoisomerase Inhibitors
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Product Numbers: Format: Size: Unit Price: Quantity: Add To Cart
ALX-380-114-M001   1 mg 420.00 USD Add To Cart
ALX-380-114-C250   250 µg 140.00 USD Add To Cart
Product Specification
FORMULA: C27H28O9
MW: 496.5
CAS NUMBER: 83852-56-6
SOURCE/HOST: Isolated from Streptomyces sp.
PURITY: ≥98% (HPLC)
APPEARANCE: Yellow solid.
SOLUBILITY: Soluble in DMSO or dimethyl formamide; slightly soluble in 100% ethanol or methanol.
SHIPPING: SHIPPED ON BLUE ICE
LONG TERM STORAGE: -20°C
USE/STABILITY: Stock solutions are stable for at least 3 months when stored at -20°C.
HANDLING: Protect from light.

Product Description
Antibiotic. Inhibits topoisomerase II in human. Mediates a unique cross-linking reaction between DNA and histidine H3. Antineoplastic and photosensitizing compound. Exhibits antitumor activity against human cell lines. Less potent than Chrysomycin A (Prod. No. ALX-380-112).
Product Specific Literature References
Chrysomycin: a new antibiotic substance for bacterial viruses: F. Strelitz, et al.; J. Bacteriol. 69, 280 (1955) Abstract
The chemistry of the antibiotics chrysomycin A and B. Antitumor activity of chrysomycin A: U. Weiss, et al.; J. Antibiot. (Tokyo) 35, 1194 (1982) Abstract
Biochemical characterisation of elsamicin and other coumarin-related antitumour agents as potent inhibitors of human topoisomerase II: A. Lorico and B.H. Long; Eur. J. Cancer 29A, 1985 (1993) Abstract
Related Products
Further Categories Containing This Product:
Antitumor Antibiotics • Antitumor Agents (DNA Interaction & Gene Regulation)
 
 
ALX-350-365 Revised 11-Feb-08 New product
Cinnamtannin B-1
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SYNONYMS Epicatechin-(4β→8,2β→O→7)-epicatechin-(4α→8)-epicatechin
PRODUCT LINE Natural Products / Antibiotics
PRODUCT CATEGORY Natural Products - Apoptosis Inducers & Inhibitors
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ALX-350-365-M005   5 mg 230.00 USD Add To Cart
Product Specification
FORMULA: C45H36O18
MW: 864.7
CAS NUMBER: 88082-60-4
SOURCE/HOST: Isolated from Laurus nobilis L.
PURITY: ≥90% (1H-NMR)
APPEARANCE: Brown solid.
SOLUBILITY: Soluble in 100% ethanol, methanol or in a mixture of DMSO and water.
SHIPPING: AMBIENT
LONG TERM STORAGE: -20°C
HANDLING: Protect from light. Keep under inert gas.

Product Description
A-type proanthocyanidin contained in several plant species such as Laurus nobilis L., Vaccinium vitis-idaea, Parameria laevigata, Cinnamomum zeylanicum and Lindera umbellata. Has potent antioxidant activity. Protective agent against oxidative stress and apoptosis in human platelets. Reduces hyperaggregability in platelets from type 2 diabetic patients.
Product Specific Literature References
Pharmacological Studies on Linderae umbellatae Ramus, IV*. Effects of condensed tannin related compounds on peptic activity and stress-induced gastric lesions in mice: N. Ezaki, et al.; Planta Med. 51, 34 (1985) Abstract
Antitumor agents, 129. Tannins and related compounds as selective cytotoxic agents: Y. Kashiwada, et al.; J. Nat. Prod. 55, 1033 (1992) Abstract
Antioxidant activity of tannin components from Vaccinium vitis-idaea L: K.Y. Ho, et al.; J. Pharm. Pharmacol. 51, 1075 (1999) Abstract
Studies on the constituents of bark of Parameria laevigata Moldenke: K. Kamiya, et al.; Chem. Pharm. Bull. 49, 551 (2001) Abstract; Full Text
Cinnamtannin B1 activity on adipocytes formation: M. Taher, et al.; Med. J. Malaysia 59, 97 (2004) Abstract
Phenolic constituents in the fruits of Cinnamomum zeylanicum and their antioxidant activity: G.K. Jayaprakasha, et al.; J. Agric. Food Chem. 54, 1672 (2006) Abstract
Characterization of the intracellular mechanisms involved in the antiaggregant properties of cinnamtannin B-1 from bay wood in human platelets: N. Ben Amor, et al.; J. Med. Chem. 50, 3937 (2007) Abstract
Cinnamtannin B-1 from bay wood exhibits antiapoptotic effects in human platelets: A. Bouaziz, et al.; Apoptosis 12, 489 (2007) Abstract
Cinnamtannin B-1 from bay wood reduces abnormal intracellular Ca2+ homeostasis and platelet hyperaggregability in type 2 diabetes mellitus patients: A. Bouaziz, et al.; Arch. Biochem. Biophys. 457, 235 (2007) Abstract
Further Categories Containing This Product:
Natural Products - Antioxidants • Active Substances from Fruit and Vegetables • Flavonoids/Related Products
 
 
ALX-350-283 Revised 11-Jun-07
Cinobufagin
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SYNONYMS 5β,20(22)-Bufadienolide-3β,16β-diol-14,15β-epoxy 16-acetate
14,15β-Epoxy-3β,16β-dihydroxy-5β,20(22)-bufadienolide 16-acetate
PRODUCT LINE Natural Products / Antibiotics
PRODUCT CATEGORY Natural Products - ATPase Inhibitors
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ALX-350-283-M005   5 mg 95.00 USD Add To Cart
Product Specification
FORMULA: C26H34O6
MW: 442.6
CAS NUMBER: 470-37-1
PURITY: ≥99%
SHIPPING: SHIPPED ON BLUE ICE
LONG TERM STORAGE: +4°C
HAZARD: TOXIC.

Product Description
Specific Na+/K+-ATPase inhibitor. About as active as ouabain (Prod. No. ALX-350-066).
Product Specific Literature References
Metabolism and pharmacokinetics of cinobufagin: S. Toma, et al.; Xenobiotica 17, 1195 (1987) Abstract
Specific 12 beta-hydroxylation of cinobufagin by filamentous fungi: M. Ye, et al.; Appl. Environ. Microbiol. 70, 3521 (2004) Abstract
Cardiotonic steroids differentially affect intracellular Na+ and [Na+]i/[K+]i-independent signaling in C7-MDCK cells: O.A. Akimova, et al.; J. Biol. Chem. 280, 832 (2005) Abstract
Further Categories Containing This Product:
Na+/K+-ATPase/Related Products • Antitumor Agents (Anti-proliferative) • Natural Products - Apoptosis Inducers & Inhibitors • Natural Products - Immunomodulators
 
 
ALX-350-284 Revised 11-Jun-07
Cinobufotalin
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SYNONYMS 14,15β-Epoxy-3β,5α,16β-trihydroxy-5β,20(22)-bufadienolide 16-acetate
PRODUCT LINE Natural Products / Antibiotics
PRODUCT CATEGORY Natural Products - ATPase Inhibitors
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ALX-350-284-M005   5 mg 85.00 USD Add To Cart
Product Specification
FORMULA: C26H34O7
MW: 458.6
CAS NUMBER: 1108-68-5
MERCK INDEX: 14: 2307
PURITY: ≥99%
SHIPPING: SHIPPED ON BLUE ICE
LONG TERM STORAGE: +4°C
HAZARD: TOXIC.

Product Description
Specific Na+/K+-ATPase inhibitor. Less active than ouabain (Prod. No. ALX-350-066).
Product Specific Literature References
Actions of bufalin and cinobufotalin, two bufadienolides respectively more active and less active than ouabain, on ouabain binding and 86Rb uptake by human erythrocytes: A.A. Brownlee, et al.; Clin. Sci. (Lond.) 78, 169 (1990) Abstract
Neutralization of cardiac toxins oleandrin, oleandrigenin, bufalin, and cinobufotalin by digibind: monitoring the effect by measuring free digitoxin concentrations: A. Dasgupta & L. Emerson ; Life Sci. 63, 781 (1998) Abstract
Simultaneous determination of four bufadienolides in human liver by high-performance liquid chromatography: Z. Wang, et al.; Biomed. Chromatogr. 18, 318 (2004) Abstract
Cardiotonic steroids differentially affect intracellular Na+ and [Na+]i/[K+]i-independent signaling in C7-MDCK cells: O.A. Akimova, et al.; J. Biol. Chem. 280, 832 (2005) Abstract
Further Categories Containing This Product:
Na+/K+-ATPase/Related Products • Natural Products - Immunomodulators
 
 
ALX-380-287 Revised 15-Apr-08 New product
Ciprofloxacin
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SYNONYMS 1-Cyclopropyl-6-fluoro-1,4-dihydro-4-oxo-7-(1- piperazinyl)-3-quinolinecarboxylic acid
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ALX-380-287-G025   25 g 60.00 USD Add To Cart
ALX-380-287-G005   5 g 20.00 USD Add To Cart
Product Specification
FORMULA: C17H18FN3O3
MW: 331.3
CAS NUMBER: 85721-33-1
MERCK INDEX: 14: 2314
RTECS: VB1993800
PURITY: ≥98% (Assay)
APPEARANCE: White to off-white powder.
SOLUBILITY: Soluble in dilute hydrochloric acid; insoluble in water.
SHIPPING: AMBIENT
LONG TERM STORAGE: -20°C

Product Description

Fluoroquinolone antibacterial agent. Inhibits bacterial DNA gyrase (topoisomerase). Inhibits cell division and causes double-strand breaks in the bacterial chromosome. Broad-spectrum antibiotic effective against Gram-positive, Gram-negative and anaerobic bacteria. Effective against Mycobacterium tuberculosis. Potentially anxiogenic.
Product Specific Literature References
Is ciprofloxacin active against clinically important anaerobes?: B. Watt & F.V. Brown; J. Antimicrob. Chemother. 17, 605 (1986) Abstract
Ciprofloxacin and norfloxacin, two fluoroquinolone antimicrobials: D.E. Nix & J.M DeVito; Clin. Pharm. 6, 105 (1987) Abstract
Mechanisms of action of and resistance to ciprofloxacin: D.C. Hooper, et al.; Am. J. Med. 82, 12 (1987) Abstract
Moxifloxacin, ofloxacin, sparfloxacin, and ciprofloxacin against Mycobacterium tuberculosis: evaluation of in vitro and pharmacodynamic indices that best predict in vivo efficacy: R.K. Shandil, et al.; Antimicrob. Agents Chemother. 51, 576 (2007) Abstract; Full Text
Anxiogenic potential of ciprofloxacin and norfloxacin in rats: S. Sen, et al.; Singapore Med. J. 48, 1028 (2007) Abstract; Full Text
Related Products
Further Categories Containing This Product:
Antibiotics - DNA Replication Inhibitors • Antibiotics - Topoisomerase Inhibitors
 
 
ALX-380-288 Revised 15-Apr-08 New product
Ciprofloxacin . hydrochloride
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SYNONYMS 1-Cyclopropyl-6-fluoro-1,4-dihydro-4-oxo-7-(1- piperazinyl)-3-quinolinecarboxylic acid . hydrochloride
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ALX-380-288-G025   25 g 55.00 USD Add To Cart
ALX-380-288-G005   5 g 20.00 USD Add To Cart
Product Specification
FORMULA: C17H18FN3O3 . HCl . H2O
MW: 331.3 . 36.5 . 18.0
CAS NUMBER: 86393-32-0
MERCK INDEX: 14: 2314
PURITY: ≥98% (Assay)
APPEARANCE: White to light yellow powder.
SOLUBILITY: Soluble in water (35mg/ml).
SHIPPING: AMBIENT
LONG TERM STORAGE: -20°C

Product Description
Fluoroquinolone antibacterial agent. Inhibits bacterial DNA gyrase (topoisomerase). Inhibits cell division and causes double-strand breaks in the bacterial chromosome. Broad-spectrum antibiotic effective against Gram-positive, Gram-negative and anaerobic bacteria. Effective against Mycobacterium tuberculosis. Potentially anxiogenic.
Product Specific Literature References
Is ciprofloxacin active against clinically important anaerobes?: B. Watt & F.V. Brown; J. Antimicrob. Chemother. 17, 605 (1986) Abstract
Ciprofloxacin and norfloxacin, two fluoroquinolone antimicrobials: D.E. Nix & J.M. DeVito; Clin. Pharm. 6, 105 (1987) Abstract
Mechanisms of action of and resistance to ciprofloxacin: D.C. Hooper, et al.; Am. J. Med. 82, 12 (1987) Abstract
Moxifloxacin, ofloxacin, sparfloxacin, and ciprofloxacin against Mycobacterium tuberculosis: evaluation of in vitro and pharmacodynamic indices that best predict in vivo efficacy: R.K. Shandil, et al.; Antimicrob. Agents Chemother. 51, 576 (2007) Abstract; Full Text
Anxiogenic potential of ciprofloxacin and norfloxacin in rats: S. Sen, et al.; Singapore Med. J. 48, 1028 (2007) Abstract; Full Text
Related Products
Further Categories Containing This Product:
Antibiotics - DNA Replication Inhibitors • Antibiotics - Topoisomerase Inhibitors
 
 
ALX-380-058 Revised 03-Apr-08
Citrinin
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SYNONYMS Antimycin
PRODUCT LINE Natural Products / Antibiotics
PRODUCT CATEGORY Antibiotics Other Products
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Product Numbers: Format: Size: Unit Price: Quantity: Add To Cart
ALX-380-058-M001   1 mg 15.00 USD Add To Cart
ALX-380-058-M005   5 mg 60.00 USD Add To Cart
ALX-380-058-M010   10 mg 105.00 USD Add To Cart
ALX-380-058-M025   25 mg 210.00 USD Add To Cart
Product Specification
FORMULA: C13H14O5
MW: 250.3
CAS NUMBER: 518-75-2
MERCK INDEX: 14: 2327
SOURCE/HOST: Isolated from Penicillium citrinum.
PURITY: ≥98%
APPEARANCE: Yellow crystals.
SOLUBILITY: Soluble in 100% ethanol or dioxane. Insoluble in water.
SHIPPING: AMBIENT
LONG TERM STORAGE: +4°C
USE/STABILITY: Solutions change color with changes in pH from yellow (pH 4.6) to red (pH 9.9).
HAZARD: TOXIC.

Product Description
Antibiotic. Induces mitochondrial permeability pore opening and inhibits respiration by interfering with complex I of the respiratory chain. Mycotoxin. Acts as nephrotoxin in all species in which it has been tested. Has been implicated as a cause of Balkan nephropathy and yellow rice fever in humans. Induces apoptosis.
Product Specific Literature References
Mechanism of citrinin-induced dysfunction of mitochondria. III. Effects on renal cortical and liver mitochondrial swelling: G.M. Chagas, et al.; J. Appl. Toxicol. 15, 91 (1995) Abstract
Mycotoxins: J.W. Bennett & M. Klich; Clin. Microbiol. Rev. 16, 497 (2003) Abstract
Citrinin induces apoptosis in HL-60 cells via activation of the mitochondrial pathway: F.Y. Yu, et al.; Toxicol. Lett. 161, 143 (2006) Abstract
Citrinin induces apoptosis via a mitochondria-dependent pathway and inhibition of survival signals in embryonic stem cells, and causes developmental injury in blastocysts: W.H. Chan; Biochem. J. 404, 317 (2007) Abstract
Further Categories Containing This Product:
Mycotoxins • Respiratory Chain Other Products • Antibiotics - Apoptosis Inducers & Inhibitors
 
 
ALX-380-289 Revised 15-Apr-08 New product
Clinafloxacin
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SYNONYMS 7-(3-Amino-1-pyrrolidinyl)-8-chloro-1-cyclopropyl-6-fluoro-1,4-dihydro-4-oxo-3-quinolinecarboxylic acid
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ALX-380-289-G001   1 g 160.00 USD Add To Cart
ALX-380-289-M250   250 mg 55.00 USD Add To Cart
Product Specification
FORMULA: C17H17ClFN3O3
MW: 365.8
CAS NUMBER: 105956-97-6
MERCK INDEX: 14: 2355
PURITY: ≥98% (Assay)
APPEARANCE: Yellow crystalline powder.
SHIPPING: AMBIENT
LONG TERM STORAGE: -20°C
IDENTITY: Identity determined by NMR.

Product Description
Fluoroquinolone with broad-spectrum activity against Gram-negative and Gram-positive bacteria, aerobes and anaerobes. Inhibits bacterial DNA topoisomerase IV and DNA gyrase.
Product Specific Literature References
DNA gyrase and topoisomerase IV are dual targets of clinafloxacin action in Streptococcus pneumoniae: X.S. Pan & L.M. Fisher; Antimicrob. Agents Chemother. 42, 2810 (1998) Abstract; Full Text
Streptococcus pneumoniae DNA gyrase and topoisomerase IV: overexpression, purification, and differential inhibition by fluoroquinolones: X.S. Pan and L.M. Fisher; Antimicrob. Agents Chemother. 43, 1129 (1999) Abstract; Full Text
Fluoroquinolones inhibit preferentially Streptococcus pneumoniae DNA topoisomerase IV than DNA gyrase native proteins: E. Fernandez-Moreira, et al.; Microb. Drug Resist. 6, 259 (2000) Abstract
Activities of clinafloxacin, gatifloxacin, gemifloxacin, and trovafloxacin against recent clinical isolates of levofloxacin-resistant Streptococcus pneumoniae: J.H. Jorgensen, et al.; Antimicrob. Agents Chemother. 44, 2962 (2000) Abstract; Full Text
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